21862316

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 45803520

約数和(自身を除く): 23941204

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 89, 124, 178, 217, 283, 356, 434, 566, 623, 868, 1132, 1246, 1981, 2492, 2759, 3962, 5518, 7924, 8773, 11036, 17546, 19313, 25187, 35092, 38626, 50374, 61411, 77252, 100748, 122822, 176309, 245644, 352618, 705236, 780797, 1561594, 3123188, 5465579, 10931158, 21862316]

約数ペア:

[(1, 21862316), (2, 10931158), (4, 5465579), (7, 3123188), (14, 1561594), (28, 780797), (31, 705236), (62, 352618), (89, 245644), (124, 176309), (178, 122822), (217, 100748), (283, 77252), (356, 61411), (434, 50374), (566, 38626), (623, 35092), (868, 25187), (1132, 19313), (1246, 17546), (1981, 11036), (2492, 8773), (2759, 7924), (3962, 5518)]